Transcription of SNx5176B Differential Bus Transceivers - TI.com
1 DERER67312 BABusD4 ProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunitySN65176B,SN75176 BSLLS101F JULY1985 REVISEDJANUARY2015 SNx5176 BDifferentialBus Transceivers1 Features3 DescriptionTheSN65176 BandSN75176 Bdifferentialbus1 BidirectionalTransceiverstransceiversare designedfor bidirectionaldata Meetor Exceedthe Requirementsof ANSI communicationon multipointbus TIA/EIA-485-ATheyare designedfor balancedtransmissionlinesand ITU ITU Designedfor Linesin NoisyEnvironments 3-StateDriverand ReceiverOutputsThe SN65176 Band SN75176 Bdevicescombinea 3-statedifferentialline driverand a differentialinputline IndividualDriverand ReceiverEnablesreceiver.
2 Bothof whichoperatefroma single5-V WidePositiveand driverand receiverhaveactive-VoltageRangeshigh and active-lowenables,respectively,that can be 60-mAMax DriverOutputCapabilityconnectedtogethere xternallyto functionas ThermalShutdownProtectionthereceiverdiff erentialinputsareconnected DriverPositiveand NegativeCurrentLimitinginternallyto formdifferentialinput/output(I/O)bus 12-k Min ReceiverInputImpedanceportsthat are designedto offerminimumloadingtothe bus whenthe driveris disabledor VCC= 0. These 200-mVReceiverInputSensitivityportsfeatu rewidepositiveandnegativecommon- 50-mVTyp ReceiverInputHysteresismodevoltageranges ,makingthe devicesuitablefor OperateFromSingle5-V designedfor up to 60 mA of sinkor2 Chemical/GasSensorsnegativecurrentlimiti ngandthermalshutdownfor designedto occurat a junction HMI (HumanMachineInterfaces)temperatureof approximately150 C.
3 Thereceiver MotorControls:AC Induction,Brushedand Brush-featuresa minimuminputimpedanceof 12 k , anless DC, Low-and High-Voltage,StepperMotors,inputsensitiv ityof 200mV,anda typicalinputand PermanentMagnetshysteresisof 50 mV. TETRABaseStationsDeviceInformation(1) TelecomTowers:RemoteElectricalTilt UnitsPARTNUMBERPACKAGE(PIN)BODYSIZE(NOM) (RET)and TowerMountedAmplifiers(TMA)SOIC(8) WeighScalesSNx5176 PDIP(8) WirelessRepeatersSOP(8) (1) For all availablepackages,see the orderableaddendumatthe end of the SimplifiedSchematic1An IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand ,SN75176 BSLLS101F JULY1985 Applicationand Pin Configurationand Deviceand Mechanical,Packaging,and Orderable9 RevisionHistoryChangesfromRevisionE (January2014)
4 To RevisionFPage AddedApplications,DeviceInformationtable ,Pin Functionstable,ESDR atingstable,ThermalInformationtable,Feat ureDescriptionsection,DeviceFunctionalMo des,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and MovedTypicalCharacteristicsinsideof (April2003)to RevisionEPage Updateddocumentto new TI datasheetformat- no 1985 2015,TexasInstrumentsIncorporatedProduct FolderLinks:SN65176 BSN75176B12348765 RREDEDVCCBAGNDSN65176B, JULY1985 REVISEDJANUARY20156 Pin Configurationand FunctionsTop ViewPin (activelow)DE3 IDriverEnable(activehigh)D4 ILogicDataInputto RS-485 DriverGND5 DeviceGroundPinA6I/ORS-422or RS-485 DataLineB7I/ORS-422or RS-485 DataLineVCC8 5-V 1985 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks.
5 SN65176 BSN75176 BSN65176B,SN75176 BSLLS101F JULY1985 (unlessotherwisenoted)(1)MINMAXUNITVCCS upplyvoltage(2)7 VVoltagerangeat any bus terminal CTstgStoragetemperaturerange 65150 CLeadtemperature1,6 mm (1/16inch)fromcasefor 10 seconds260 C(1)StressesbeyondthoselistedunderAbsolu teMaximumRatingsmay causepermanentdamageto the stressratingsonly,and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditionsis not absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)All voltagevalues,exceptdifferentialinput/ou tputbus voltage,are with respectto VICV oltageat any bus terminal(separatelyor commonmode)-712 VVIHHigh-levelinputvoltageD, DE, and RE2 VVILLow-levelinputvoltageD, DE, and (1) 12 VDriver 60mAIOHHigh-leveloutputcurrentReceiver 400 ADriver60 IOLLow-leveloutputcurrentmAReceiver8SN65 176B 40105 TAOperatingfree-airtemperature CSN75176B070(1)Differentialinput/outputb us voltageis measuredat the non-invertingterminalA, with respectto the (1)BDBPBPSUNIT8 PINSR JAJunction-to-ambientthermalresistance97 8595 C/W(1)For moreinformationabouttraditionaland new thermalmetrics,see theIC PackageThermalMetricsapplicationreport(S PRA953).
6 4 SubmitDocumentationFeedbackCopyright 1985 2015,TexasInstrumentsIncorporatedProduct FolderLinks:SN65176 BSN75176 BSN65176B, JULY1985 Driveroverrecommendedrangesof supplyvoltageand operatingfree-airtemperature(unlessother wisenoted)PARAMETERTESTCONDITIONS(1)MINT YP(2)MAXUNITVIKI nputclampvoltageII= 18 mA 006V|VOD1|DifferentialoutputvoltageIO= 100 , see Figure10 VOD1or 2(3)|VOD2|DifferentialoutputvoltageVRL= 54 , see (4) magnitudeof |VOD|RL= 54 or 100 , see Figure10 (5)VOCC ommon-modeoutputvoltageRL= 54 or 100 , see Figure10-1+3 VChangein magnitudeof |VOC|common-modeoutputRL= 54 or 100 , see Figure10 (5)VO= 12 V1 IOOutputcurrentOutputdisabled(6)mAVO= 7 V V20 AIILLow-levelinputcurrentVI= V 400 AVO= 7 V 250VO= 0 150 IOSS hort-circuitoutputcurrentmAVO= VCC250VO= 12 V250 Outputsenabled4270 ICCS upplycurrent(totalpackage)No loadmAOutputsdisabled2635(1)The power-offmeasurementin ANSIS tandardTIA/EIA-422-Bappliesto disabledoutputsonly and is not appliedto combinedinputsandoutputs.
7 (2)All typicalvaluesare at VCC= 5 V and TA= 25 C.(3)The minimumVOD2with a 100- load is either VOD1or 2 V, whicheveris greater.(4)See ANSIS tandardTIA/EIA-485-A, , TestTerminationMeasurement2.(5) |VOD| and |VOC| are the changesin magnitudeof VODand VOC, respectively,that occurwhenthe inputis changedfroma high levelto a low level.(6)This appliesfor bothpoweron and off; referto ANSIS tandardTIA/EIA-485-Afor TIA/EIA-422-Blimit doesnotapplyfor a combineddriverand 1985 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks:SN65176 BSN75176 BSN65176B,SN75176 BSLLS101F JULY1985 Receiveroverrecommendedrangesof common-modeinputvoltage,supplyvoltage,an d operatingfree-airtemperature(unlessother wisenoted)PARAMETERTESTCONDITIONSMINTYP( 1)MAXUNITVIT+Positive-goinginputthreshol dvoltageVO= V, IO= Negative-goinginputthresholdvoltageVO= V, IO= 8 mA (2)VVhysInputhysteresisvoltage(VIT+ VIT )50mVVIKE nableInputclampvoltageII= 18 mA 200 mV, IOH= 400 A, see 200 mV, IOL= 8 mA, see V to V 20 AVI= 12 V1 IILine inputcurrentOtherinput= 0 V(3)
8 MAVI= 7 V V20 AIILLow-levelenableinputcurrentVIL= V 100 ArIInputresistanceVI= 12 V12k IOSS hort-circuitoutputcurrent 15 85mAOutputsenabled4255 ICCS upplycurrent(totalpackage)No loadmAOutputsdisabled2635(1)All typicalvaluesare at VCC= 5 V, TA= 25 C.(2)The algebraicconvention,in whichthe less positive(morenegative)limit is designatedminimum,is usedin this datasheetfor common-modeinputvoltageand thresholdvoltagelevelsonly.(3)This appliesfor bothpoweron and poweroff. Referto EIA StandardTIA/EIA-485-Afor DriverVCC= 5 V, RL= 110 , TA= 25 C (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITtd(OD) Differential -out putdelaytimeRL= 54 , see Figure121522nstt(OD) Differential -outputt ransitiontimeRL= 54 , see Figure122030nstPZHO utputenabletime to high levelSee Figure1385120nstPZLO utputenabletime to low levelSee Figure144060nstPHZO utputdisabletime fromhigh levelSee Figure13150250nstPLZO utputdisabletime fromlow levelSee ReceiverVCC= 5 V, CL= 15 pF, TA= 25 CPARAMETERTESTCONDITIONSMINTYPMAXUNITtPL HP ropagationdelaytime,low- to high-leveloutput2135 VID= 0 to 3 V, see Figure15nstPHLP ropagationdelaytime.
9 High-to low-leveloutput2335tPZHO utputenabletime to high level1020 See Figure16nstPZLO utputenabletime to low level1220tPHZO utputdisabletime fromhigh level2035 See Figure16nstPLZO utputdisabletime fromlow level17256 SubmitDocumentationFeedbackCopyright 1985 2015,TexasInstrumentsIncorporatedProduct FolderLinks:SN65176 BSN75176B4321100806040200 2001205TA Free-Air Temperature C 40 VCC= 5 VVID= 200 mVIOH= 440 A VOH High-Level Output Voltage 25 CVCC= 5 Low-Level Output Current mA0 VOL Low-Level Output Voltage VVOL 25 VCC= VVCC= 5 VVCC= V0 10 20 30 40 50501234 IOH High-Level Output Current mAVOH High-Level Output Voltage 5 15 35 45 VID= VTA= 25 CVOD Differential Output Voltage Output Current mA0 VODVCC= 5 VTA= 25 CVOH High-Level Output Voltage VVCC= 5 100 80 60 40 200 1205 IOH High-Level Output Current mA0 VOHTA= 25 CVCC= 5 VTA= 25 CIOL Low-Level Output Current Low-Level Output Voltage VVOLSN65176B.
10 JULY1985 DriverHigh-LevelOutputVoltageFigure2. DriverLow-LevelOutputVoltagevsvsHigh-Lev elOutputCurrentLow-LevelOutputCurrentFig ure3. DriverDifferentialOutputVoltageFigure4. ReceiverHigh-LevelOutputVoltagevsvsOutpu tCurrentHigh-LevelOutputCurrentOnlythe 0 C to 70 C portionof the curveappliesto theOnlythe 0 C to 70 C portionof the curveappliesto ReceiverLow-LevelOutputVoltageFigure5. ReceiverHigh-LevelOutputVoltagevsvsLow-L evelOutputCurrentFree-AirTemperatureCopy right 1985 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 ProductFolderLinks:SN65176 BSN75176 BVO Output Voltage Enable Voltage V0 VOLoad = 1 k to VCCVCC= 5 VVCC= VTA= 25 CVID= VVCC= VVOL Low-Level Output Voltage VVID= 200 mVVCC= 5 VTA Free-Air Temperature C 20120 40 VOLIOL= 8 mAVO Output Voltage VVCC= 5 VVCC= VTA= 25 CVID= V0VI Enable Voltage = 8 k to GNDVCC= VSN65176B,SN75176 BSLLS101F JULY1985 (continued)Figure8.
